In the given reaction sequence
`Ph-CH_(2)-CHO overset(NaOH)to overset(Delta)to overset(H_(2)//Ni)to`(X)
Product (X) will be
A. `{:(Ph-CH_(2)-CH-CH-Ph),(" | |"),(" OH CHO"):}`
B. `{:(Ph-CH_(2)-CH_(2)-CH-Ph),(" |"),(" "CH_(2)OH):}`
C. `{:(Ph-CH_(2)-CH_(2)-CH-Ph),(" |"),(" CHO"):}`
D. `{:(Ph-CH_(2)-CH_(2)-CH-Ph),(" |"),(" "CH_(3)):}`